85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/*
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* MemoryAccessSplitter.cpp
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*
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* Created on: 28 èþë. 2020 ã.
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* Author: LeonidTitov
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*/
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#include "MemoryAccessSplitter.hh"
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peripheral::IMemoryAccess & driver::MemoryAccessSplitter::piece() {
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return first_part;
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}
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peripheral::IMemoryAccess & driver::MemoryAccessSplitter::remainder() {
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return second_part;
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}
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driver::MemoryAccessSplitter::MemoryAccessSplitter(
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peripheral::IMemoryAccess & memory, std::size_t piece_size ) :
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first_part( memory, piece_size, 0 ),
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second_part( memory, memory.getCapacity() - piece_size, piece_size ) {}
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bool driver::MemoryAccessSplitter::MemoryPiece::read(char * data,
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std::size_t r_begin,
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std::size_t r_size ) {
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if( r_begin + r_size > size )
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read_query = false;
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else
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read_query = memory.read( data, r_begin + offset, r_size );
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if( read_query )
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read_complite = false;
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return read_query;
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}
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bool driver::MemoryAccessSplitter::MemoryPiece::write(const char * data,
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std::size_t w_begin,
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std::size_t w_size ) {
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if( w_begin + w_size > size )
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write_query = false;
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else
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write_query = memory.write( data, w_begin + offset, w_size );
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if( write_query )
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write_complite = false;
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return write_query;
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}
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bool driver::MemoryAccessSplitter::MemoryPiece::isReadComplete() const {
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if( read_query and memory.isReadComplete() )
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read_complite = true;
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return read_query and read_complite;
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}
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bool driver::MemoryAccessSplitter::MemoryPiece::isWriteComplete() const {
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if( write_query and memory.isWriteComplete() )
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write_complite = true;
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return write_query and write_complite;
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}
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std::size_t driver::MemoryAccessSplitter::MemoryPiece::getCapacity() const {
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return size;
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}
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driver::MemoryAccessSplitter::MemoryPiece::MemoryPiece(
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peripheral::IMemoryAccess & memory, std::size_t size, std::size_t offset ) : memory(memory), size(size), offset(offset) {}
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